Perform in-depth competitive research, quickly and anonymously. Never get blocked by your target sites, and don’t even tip them off that you’re looking.

Private Proxy Servers for .NET Applications

All Trusted Proxies products can be used with your own custom .NET Applications.

You need to bear in mind the same considerations as users of off the shelf software:

If you are querying Search Engines, each connection via a Proxy Server still needs to send its queries in "Human Emulation Mode" - that is with random intervals of at least 15 to 20 seconds, and sleeping for at least 15 minutes every couple of hours